Natsupon Chutithanapanon และ Jintana Laopaiboon; Raewat Laopaiboon. (2023) Influence of manganese ions concentration on structural and elastic properties in recycled window glasses by using ultrasonic technique and FTIR spectroscopy. <i>Journal of Science and Science Education</i>, <i>6</i>(2), 171-180.Natsupon Chutithanapanon และ Jintana Laopaiboon; Raewat Laopaiboon. "Influence of manganese ions concentration on structural and elastic properties in recycled window glasses by using ultrasonic technique and FTIR spectroscopy". Journal of Science and Science Education 6 (2023):171-180.Natsupon Chutithanapanon และ Jintana Laopaiboon; Raewat Laopaiboon. Influence of manganese ions concentration on structural and elastic properties in recycled window glasses by using ultrasonic technique and FTIR spectroscopy. Faculty of Science, Ubon Ratchathani University:ม.ป.ท. 2023.